Butler09'

@article{DBLP:journals/jct/Butler09,
  author    = {David K. Butler},
  title     = {The maximum size of the intersection of two ovoids},
  journal   = {J. Comb. Theory, Ser. A},
  volume    = {116},
  number    = {1},
  year      = {2009},
  pages     = {242-245},
  ee        = {http://dx.doi.org/10.1016/j.jcta.2008.05.008},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}